# Rock Island Armory 45 ACP Firearms - Guns For Sale

Shop Rock Island Armory .45 ACP firearms built around the classic 1911 platform, including Armscor Rock Tactical, M1911 A1 Tactical, Tac Ultra FS, GI Classic, and Standard FS models. This tag includes full-size and compact .45 ACP pistols with steel frames, 5 inch barrels, 8+1 capacity options, matte nickel, black, and FDE finishes.

Compare tactical Gen 1 and Gen 2 Rock Island .45 ACP pistols with options such as G10 grips, black sunburst grips, precision sights, compact CS frames, and Ultra series upgrades. Whether you prefer a traditional M1911-A1 profile or a modern tactical setup, this collection keeps Rock Island Armory .45 ACP handguns grouped for focused catalog browsing.

## Featured Firearms (50 total)

| Product | Caliber | Price |
|---------|---------|-------|
| [Armscor GI Standard 1911 .45 ACP Pistol - Black Parkerized](https://gunsnation.com/p/armscor-gi-standard-1911-45-acp-pistol-black-parkerized/UD1MbypJqO) | .45 ACP | - |
| [Rock Island Tac Ultra FS .45 ACP Pistol - 8+1 Capacity, Precision Crafted](https://gunsnation.com/p/rock-island-tac-ultra-fs-45-acp-pistol-8-1-capacity-precision-crafted/UD1MbypJnr) | .45 ACP | - |
| [ARMSCOR GI 1911-A1 .45 ACP Pistol, 5" Barrel, 10+1 Capacity](https://gunsnation.com/p/armscor-gi-1911-a1-45-acp-pistol-5-barrel-10-1-capacity/UCEBnixX1) | .45 ACP | - |
| [Rock Island TAC Ultra CS: Compact .45 ACP Precision Pistol](https://gunsnation.com/p/rock-island-tac-ultra-cs-compact-45-acp-precision-pistol/UD1MbypJlN) | .45 ACP | - |
| [Rock Island M1911 GI Standard MS .45 ACP Handgun](https://gunsnation.com/p/rock-island-m1911-gi-standard-ms-45-acp-handgun/UD1MbypJr0) | .45 ACP | - |
| [ARMSCOR 1911-A1 .45 ACP Pistol - 10+1, Black Parkerized Finish](https://gunsnation.com/p/armscor-1911-a1-45-acp-pistol-10-1-black-parkerized-finish/UCEBnixOQ) | .45 ACP | - |
| [Rock Island M1911 Compact .45 ACP Stainless/Wood Pistol](https://gunsnation.com/p/rock-island-m1911-compact-45-acp-stainless-wood-pistol/UCEBniyTO) | .45 ACP | - |
| [Rock Island 1911 GI .45 ACP Pistol - Black Parkerized Finish](https://gunsnation.com/p/rock-island-1911-gi-45-acp-pistol-black-parkerized-finish/UD1MbypJrO) | .45 ACP | - |
| [ARMSCOR GI .45 ACP Pistol - 5" Barrel, Black Parkerized Finish](https://gunsnation.com/p/armscor-gi-45-acp-pistol-5-barrel-black-parkerized-finish/UCEBnixRc) | .45 ACP | - |
| [Rock Island Armory Rock Standard FS .45 ACP Pistol, Steel Frame](https://gunsnation.com/p/rock-island-armory-rock-standard-fs-45-acp-pistol-steel-frame/UD1MbypJhh) | .45 ACP | - |
| [ARMSCOR Rock Compact .45 ACP Pistol - 3.5" Barrel, G10 Grips](https://gunsnation.com/p/armscor-rock-compact-45-acp-pistol-3-5-barrel-g10-grips/UCEBnixSc) | .45 ACP | - |
| [Rock Island 1911 GI .45 ACP - Classic Power, Modern Precision](https://gunsnation.com/p/rock-island-1911-gi-45-acp-classic-power-modern-precision/UD1MbypJrH) | .45 ACP | - |
| [Rock Island Armory M1911-A1 GI .45 ACP Pistol - Classic Defender](https://gunsnation.com/p/rock-island-armory-m1911-a1-gi-45-acp-pistol-classic-defender/UD1MbypWmd) | .45 ACP | - |
| [ARMSCOR GI Standard CS - Compact .45 ACP Black Parkerized Pistol](https://gunsnation.com/p/armscor-gi-standard-cs-compact-45-acp-black-parkerized-pistol/UCEBnixIX) | .45 ACP | - |
| [ARMSCOR Rock M1911-A1 Tactical .45 ACP 3.6" Compact Pistol](https://gunsnation.com/p/armscor-rock-m1911-a1-tactical-45-acp-3-6-compact-pistol/UCEBnixKd) | .45 ACP | - |
| [ARMSCOR M1911 A1 Tactical Gen 2 .45 ACP Pistol - G10 Grip, Precision Sights](https://gunsnation.com/p/armscor-m1911-a1-tactical-gen-2-45-acp-pistol-g10-grip-precision-sights/UCEBnixTz) | .45 ACP | - |
| [ARMSCOR Pro 1911-A1 .45 ACP - 6" Black Precision Pistol](https://gunsnation.com/p/armscor-pro-1911-a1-45-acp-6-black-precision-pistol/UCEBnixai) | .45 ACP | - |
| [ARMSCOR M1911 A1 Tactical II .45 ACP Pistol Gen II - 5" Black Barrel](https://gunsnation.com/p/armscor-m1911-a1-tactical-ii-45-acp-pistol-gen-ii-5-black-barrel/UCEBnixTi) | .45 ACP | - |
| [ARMSCOR Pro .45 ACP SAO Pistol - 5" Barrel, 8+1, Black Wood Grips](https://gunsnation.com/p/armscor-pro-45-acp-sao-pistol-5-barrel-8-1-black-wood-grips/UCEBnixLL) | .45 ACP | - |
| [Rock Island Heritage .45 ACP - Classic 1911 Performance Pistol](https://gunsnation.com/p/rock-island-heritage-45-acp-classic-1911-performance-pistol/UD1MbypJls) | .45 ACP | - |

*Showing 20 of 50 products*

## Related Tags

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- [Tactical](https://gunsnation.com/t/tactical)
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*Data from [GunsNation](https://gunsnation.com)*